static int arduino_open(PROGRAMMER * pgm, char * port)
{
strcpy(pgm->port, port);
if (serial_open(port, pgm->baudrate? pgm->baudrate: 115200, &pgm->fd)==-1) {
return -1;
}
/* Clear DTR and RTS to unload the RESET capacitor
* (for example in Arduino) */
serial_set_dtr_rts(&pgm->fd, 0);
usleep(50*1000);
/* Set DTR and RTS back to high */
serial_set_dtr_rts(&pgm->fd, 1);
usleep(50*1000);
/*
* drain any extraneous input
*/
stk500_drain(pgm, 0);
if (stk500_getsync(pgm) < 0)
return -1;
return 0;
}
static int arduino_open(PROGRAMMER * pgm, char * port)
{
union pinfo pinfo;
strcpy(pgm->port, port);
pinfo.baud = pgm->baudrate? pgm->baudrate: 115200;
if (serial_open(port, pinfo, &pgm->fd)==-1) {
return -1;
}
#ifdef CUSTOMER_REST_PIN
gpio_export(pgm->reset_pin);
gpio_set_dir(pgm->reset_pin, OUT);
gpio_set_value(pgm->reset_pin,LOW);
usleep(250*1000);
gpio_set_value(pgm->reset_pin,HIGH);
usleep(50*1000);
#else
/* Clear DTR and RTS to unload the RESET capacitor
* (for example in Arduino) */
serial_set_dtr_rts(&pgm->fd, 0);
usleep(250*1000);
/* Set DTR and RTS back to high */
serial_set_dtr_rts(&pgm->fd, 1);
usleep(50*1000);
#endif
/*
* drain any extraneous input
*/
stk500_drain(pgm, 0);
if (stk500_getsync(pgm) < 0)
return -1;
return 0;
}
static int wiring_open(PROGRAMMER * pgm, char * port)
{
int timetosnooze;
void *mycookie = STK500V2PDATA(pgm)->chained_pdata;
union pinfo pinfo;
strcpy(pgm->port, port);
pinfo.baud = pgm->baudrate ? pgm->baudrate: 115200;
serial_open(port, pinfo, &pgm->fd);
/* If we have a snoozetime, then we wait and do NOT toggle DTR/RTS */
if (WIRINGPDATA(mycookie)->snoozetime > 0) {
timetosnooze = WIRINGPDATA(mycookie)->snoozetime;
avrdude_message(MSG_NOTICE2, "%s: wiring_open(): snoozing for %d ms\n",
progname, timetosnooze);
while (timetosnooze--)
usleep(1000);
avrdude_message(MSG_NOTICE2, "%s: wiring_open(): done snoozing\n",
progname);
} else {
/* Perform Wiring programming mode RESET. */
/* This effectively *releases* both DTR and RTS. */
/* i.e. both DTR and RTS rise to a HIGH logic level */
/* since they are active LOW signals. */
avrdude_message(MSG_NOTICE2, "%s: wiring_open(): releasing DTR/RTS\n",
progname);
serial_set_dtr_rts(&pgm->fd, 0);
usleep(50*1000);
/* After releasing for 50 milliseconds, DTR and RTS */
/* are asserted (i.e. logic LOW) again. */
avrdude_message(MSG_NOTICE2, "%s: wiring_open(): asserting DTR/RTS\n",
progname);
serial_set_dtr_rts(&pgm->fd, 1);
usleep(50*1000);
}
/* drain any extraneous input */
stk500v2_drain(pgm, 0);
if (stk500v2_getsync(pgm) < 0)
return -1;
return 0;
}
static void arduino_close(PROGRAMMER * pgm)
{
#ifdef CUSTOMER_REST_PIN
gpio_set_value(pgm->reset_pin,LOW);
gpio_unexport(pgm->reset_pin);
#else
serial_set_dtr_rts(&pgm->fd, 0);
#endif
serial_close(&pgm->fd);
pgm->fd.ifd = -1;
}
static void arduino_close(PROGRAMMER * pgm)
{
serial_set_dtr_rts(&pgm->fd, 0);
serial_close(&pgm->fd);
pgm->fd.ifd = -1;
}
